permix

name	permix
description	Applies Permix authorization once a schema exists: permix.check() paths and ReBAC callbacks, frontend bindings (permix/react, permix/vue, permix/solid, permix/svelte) with SSR dehydrate/hydrate for Next.js and TanStack Start, and server middleware (permix/express, hono, fastify, trpc, orpc, node, elysia). Use for anything past initial setup — checking permissions, gating UI, or protecting routes. For creating the schema and first `permix.setup()`, use permix-getting-started first.
metadata	{"type":"core","library":"permix","library_version":"4.1.2"}
requires	["permix-getting-started"]
sources	["letstri/permix:docs/content/docs/guide/check.mdx","letstri/permix:docs/content/docs/guide/rebac.mdx","letstri/permix:docs/content/docs/guide/ready.mdx","letstri/permix:docs/content/docs/guide/hydration.mdx","letstri/permix:docs/content/docs/integrations/react.mdx","letstri/permix:docs/content/docs/integrations/vue.mdx","letstri/permix:docs/content/docs/integrations/solid.mdx","letstri/permix:docs/content/docs/integrations/svelte.mdx","letstri/permix:docs/content/docs/integrations/next.mdx","letstri/permix:docs/content/docs/integrations/tanstack-start.mdx","letstri/permix:docs/content/docs/integrations/express.mdx","letstri/permix:docs/content/docs/integrations/hono.mdx","letstri/permix:docs/content/docs/integrations/fastify.mdx","letstri/permix:docs/content/docs/integrations/trpc.mdx","letstri/permix:docs/content/docs/integrations/orpc.mdx","letstri/permix:docs/content/docs/integrations/node.mdx","letstri/permix:docs/content/docs/integrations/server.mdx","letstri/permix:docs/content/docs/integrations/elysia.mdx","letstri/permix:permix/src/core/check.ts"]

Permix — check, frontend, server

Assumes a permix instance already exists (see permix-getting-started). Load the reference file that matches the task instead of reading everything:

Task	Reference
permix.check() paths, callbacks, ~all/~any, ReBAC/ABAC with entity data, isReady	references/check.md
React, Vue, Solid, or Svelte UI — PermixProvider, usePermix, createComponents, SSR dehydrate/hydrate for Next.js / TanStack Start	references/frontend.md
Protecting Express, Hono, Fastify, tRPC, oRPC, Node, or Elysia routes — setupMiddleware, checkMiddleware	references/server.md

Rules that apply everywhere

• Authorization must run on the server. Client-side check (React/Vue/Solid/Svelte) is UX only — mirror every path with checkMiddleware in references/server.md.
• Use the same schema and path strings (post.update, not ad-hoc strings) across client hooks and server middleware, or types and behavior drift apart.
• check before isReady throws PermixNotReadyError — gate UI with isReady/isReadyAsync, and call setupMiddleware before checkMiddleware on the server.
• SSR hydrate alone is not enough. It only restores booleans; call setup again on the client for function-based/ReBAC rules — see the SSR section of references/frontend.md.